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Posted to issues@spark.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2016/04/01 20:51:25 UTC

[jira] [Updated] (SPARK-1239) Improve fetching of map output statuses

     [ https://issues.apache.org/jira/browse/SPARK-1239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Graves updated SPARK-1239:
---------------------------------
    Summary: Improve fetching of map output statuses  (was: Don't fetch all map output statuses at each reducer during shuffles)

> Improve fetching of map output statuses
> ---------------------------------------
>
>                 Key: SPARK-1239
>                 URL: https://issues.apache.org/jira/browse/SPARK-1239
>             Project: Spark
>          Issue Type: Improvement
>          Components: Shuffle, Spark Core
>    Affects Versions: 1.0.2, 1.1.0
>            Reporter: Patrick Wendell
>            Assignee: Thomas Graves
>
> Instead we should modify the way we fetch map output statuses to take both a mapper and a reducer - or we should just piggyback the statuses on each task. 



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